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Table 7. Goodness-of-fit indices for Tests of invariance of 9-item Attitudes toward Singlehood Scale Across Genders
Baseline Model χ2 df χ2/df CFI TLI RMSEA [90% CI]  SRMR 
Male (N=209) 66.829 24 2.78 .966 .949 .092 [.067, .119] .053 
Female (N=235) 51.090 24 2.13 .980 .970 .069 [.043, .096] .035 
MI χ2 df CFI Model Comparison χ2 df p ∆CFI 
Model 1: Configural invariance 117.918 48 .973 
Model 2: Metric invariance 121.896 60 .976 2 vs. 1 3.978 12 .983 .003 
Model 3: Scalar invariance 129.818 65 .975 3 vs. 2 7.922 .161 .001 
Baseline Model χ2 df χ2/df CFI TLI RMSEA [90% CI]  SRMR 
Male (N=209) 66.829 24 2.78 .966 .949 .092 [.067, .119] .053 
Female (N=235) 51.090 24 2.13 .980 .970 .069 [.043, .096] .035 
MI χ2 df CFI Model Comparison χ2 df p ∆CFI 
Model 1: Configural invariance 117.918 48 .973 
Model 2: Metric invariance 121.896 60 .976 2 vs. 1 3.978 12 .983 .003 
Model 3: Scalar invariance 129.818 65 .975 3 vs. 2 7.922 .161 .001 

Note. Using maximum likelihood estimator and fixing residual variance. CFI = comparative fit index; TLI = Tucker-Lewis index; RMSEA = root-mean-square error of approximation; CI: confidence interval; SRMR = standardized root mean square residual; MI: measurement invariance; ∆ χ2 = difference in chi-square value; ∆CFI = difference in CFI value.

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